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Server Board Features 15
Intel 82801EB I/O Controller Hub (ICH5-R)
The Intel 82801EB ICH5-R has these features:
• Upstream Hub Interface to the MCH
• Integrated IDE controller (supports two Ultra ATA-100/66 mode, Ultra DMA 33 mode, and
PIO mode).
• Integrated SATA controller supports two SATA devices with transfer speeds up to 150 MB/s
and independent DMA operation on the two ports
• One USB 2.0-compliant host controller that supports all six USB ports
• SMBus 2.0 interface
• FWH interface
• Support for the Low Pin Count (LPC) interface.
• Integrated LAN controller (Intel 8562ET) for interfacing the ICH5-R LAN connect interface to
the LAN connect component
• 33 MHz Peripheral Component Interface (PCI) Local Bus slots supporting PCI
specification, Rev 2.3.
• Power management logic (ACPI Rev 2.0-compliant).
• Support for two Ultra DMA 33 / ATA 100/66 connectors.
Intel 82802AC Firmware Hub (FWH)
The Intel 82802AC Firmware Hub (FWH) includes an 8 megabit symmetrical flash memory
device. Internally, the device is grouped into eight 64 KB blocks that are individually erasable,
lockable, and unlockable.
The FWH provides the following:
• System BIOS program
• Logic that enables protection for storing and updating of platform information
Video
The server board S875WP1-E contains two separate, mutually exclusive graphics subsystems. You
can use either the AGP connector or the ATI Rage XL video controller. When an AGP card is
installed, the integrated 8 MB video controller is disabled.